If you have an HTML site, most likely it uses a really small amount of resources as it is static, but that isn't the situation with dynamic database-driven Internet sites that use PHP scripts and offer far more capabilities. This kind of sites produce load on the hosting server every time anyone browses them, since the server needs time to execute the script, to access the database and then to provide the data requested by the visitor's browser. A famous discussion board, for instance, stores all usernames and posts within a database, so some load is created any time a thread is opened or a user searches for a specific term. If a lot of people connect to the forum concurrently, or if every single search involves checking tens of thousands of database entries, this may create high load and affect the efficiency of the Internet site. In this regard, CPU and MySQL load statistics can provide you with data about the site’s efficiency, as you can compare the numbers with your traffic stats to decide if the Internet site should be optimized or transferred to a different kind of website hosting platform which will be able to bear the high system load if the Internet site is extremely popular.